Portable computer



FIG. 1 is a perspective view of a portable computer in accordance with our new design, in the closed position;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof, in the open position; and,

FIG. 9 is a top plan view thereof, in the open position.

The environmental structure shown in broken lines on the drawing figures are for illustrative purposes only and not a part of the claimed design. 

The ornamental design for a portable computer, as shown and described. 